Common Weakness Enumeration
CWE-835
AllowedLoop with Unreachable Exit Condition ('Infinite Loop')
Abstraction: Base · Status: Incomplete
The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.
1140 vulnerabilities reference this CWE, most recent first.
CVE-2026-11932 (GCVE-0-2026-11932)
Vulnerability from cvelistv5 – Published: 2026-08-12 20:13 – Updated: 2026-08-14 18:29
VLAI
EPSS
VEX
Title
Security vulnerabilities have been found in IBM Verify Identity Access and IBM Security Verify Access
Summary
IBM Security Verify Access 10.0 through 10.0.9.2 and IBM Verify Identity Access 11.0 through 11.0.3 and IBM Verify Identity Access Container 11.0 through 11.0.3 is vulnerable to a denial of service attack.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-14 13:47 UTC
CWE
- CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.ibm.com/support/pages/node/7283079 | vendor-advisorypatch |
Impacted products
4 products
| Vendor | Product | Version | |
|---|---|---|---|
| IBM | Security Verify Access |
Affected:
10.0 , ≤ 10.0.9.2
(semver)
cpe:2.3:a:ibm:security_verify_access:10.0:*:*:*:*:*:*:* cpe:2.3:a:ibm:security_verify_access:10.0.0:*:*:*:*:*:*:* cpe:2.3:a:ibm:security_verify_access:10.0.9.2:*:*:*:*:*:*:* |
|
| IBM | Verify Identity Access |
Affected:
11.0 , ≤ 11.0.3
(semver)
cpe:2.3:a:ibm:verify_identity_access:11.0:*:*:*:*:*:*:* cpe:2.3:a:ibm:verify_identity_access:11.0.0:*:*:*:*:*:*:* cpe:2.3:a:ibm:verify_identity_access:11.0.3:*:*:*:*:*:*:* |
|
| IBM | Verify Identity Access Container |
Affected:
11.0 , ≤ 11.0.3
(semver)
cpe:2.3:a:ibm:verify_identity_access_container:11.0:*:*:*:*:*:*:* cpe:2.3:a:ibm:verify_identity_access_container:11.0.0:*:*:*:*:*:*:* cpe:2.3:a:ibm:verify_identity_access_container:11.0.3:*:*:*:*:*:*:* |
|
| IBM | Security Verify Access Container |
Affected:
10.0 , ≤ 10.0.9.2
(semver)
cpe:2.3:a:ibm:security_verify_access_container:10.0:*:*:*:*:*:*:* cpe:2.3:a:ibm:security_verify_access_container:10.0.0:*:*:*:*:*:*:* cpe:2.3:a:ibm:security_verify_access_container:10.0.9.2:*:*:*:*:*:*:* |
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"value": "\u003cp\u003e\u003cstrong\u003eIBM encourages customers to update their systems promptly.\u003c/strong\u003e\u003c/p\u003e\u003cp\u003e\u003c/p\u003e\u003cp\u003e\u003cstrong\u003eAppliance:\u003c/strong\u003e\u003c/p\u003e\u003cdiv\u003e\u003ctable\u003e\u003cthead\u003e\u003ctr\u003e\u003ctd\u003e\u003cp\u003e\u003cstrong\u003eAffected Products and Versions\u003c/strong\u003e\u003c/p\u003e\u003c/td\u003e\u003ctd\u003e\u003cp\u003e\u003cstrong\u003eFix availability\u003c/strong\u003e\u003c/p\u003e\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cp\u003eIBM Verify Identity Access 11.0 - 11.0.3\u003c/p\u003e\u003c/td\u003e\u003ctd\u003e\u003cp\u003e\u003ca href=\"https://www.ibm.com/support/fixcentral/swg/downloadFixes?parent=IBM%20Security\u0026amp;product=ibm/Tivoli/IBM+Verify+Identity+Access\u0026amp;release=All\u0026amp;platform=All\u0026amp;function=fixId\u0026amp;fixids=11.0.3.0-ISS-IVIA-IF0001\" rel=\"nofollow\"\u003eDownload IBM Verify Identity Access v11.0.3 IF1\u003c/a\u003e\u003c/p\u003e\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cp\u003eIBM Security Verify Access 10.0.0 - 10.0.9.2\u003c/p\u003e\u003c/td\u003e\u003ctd\u003e\u003cp\u003e\u003ca href=\"https://www.ibm.com/support/fixcentral/swg/downloadFixes?parent=IBM%20Security\u0026amp;product=ibm/Tivoli/IBM+Security+Verify+Access\u0026amp;release=All\u0026amp;platform=All\u0026amp;function=fixId\u0026amp;fixids=10.0.9.2-ISS-ISVA-IF0001\" rel=\"nofollow\"\u003eDownload IBM Security Verify Access v10.0.9.2 IF2\u003c/a\u003e\u003c/p\u003e\u003c/td\u003e\u003c/tr\u003e\u003c/thead\u003e\u003c/table\u003e\u003c/div\u003e\u003cp\u003e\u003c/p\u003e\u003cp\u003e\u003cstrong\u003eContainer:\u003c/strong\u003e\u003c/p\u003e\u003cp\u003e\u003ca href=\"https://docs.verify.ibm.com/ibm-security-verify-access/docs/containers\" rel=\"nofollow\"\u003eContainer Download\u003c/a\u003e\u003c/p\u003e"
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CVE-2026-10686 (GCVE-0-2026-10686)
Vulnerability from cvelistv5 – Published: 2026-07-31 15:49 – Updated: 2026-07-31 17:30
VLAI
EPSS
VEX
Title
Missing hop-limit decrement on IPv6 forwarding path allows unbounded packet looping (DoS) in Zephyr routers
Summary
Zephyr's IPv6 forwarding path re-sent routed unicast packets without ever decrementing the IPv6 hop limit. Both routing branches of ipv6_route_packet() (subsys/net/ip) were affected: the explicit-route path (net_route_packet()) and the on-link cross-interface path (net_route_packet_if()). Each set the packet forwarding flag and called net_send_data() with the hop limit untouched and no expiry check.
Per RFC 8200 the hop-limit decrement is the mechanism that bounds packet lifetime and terminates routing loops; without it, a device acting as an IPv6 router relays looping packets indefinitely. An on-path attacker who can induce or exploit a transient L3 loop turns it into a permanent forwarding storm, causing CPU/bandwidth resource exhaustion (availability DoS) on the forwarder and adjacent links; path-discovery and loop diagnostics that rely on hop-limit expiry are also defeated.
Affected configurations. In every affected release the forwarding path is reached via CONFIG_NET_ROUTE (enabled by default when CONFIG_NET_IPV6_NBR_CACHE is set), together with CONFIG_NET_ROUTING for cross-interface routing. Note that CONFIG_NET_IPV6_FORWARDING and CONFIG_NET_IPV4_FORWARDING — which appear in the fix and in this advisory's evidence notes — were introduced after v4.4.0, when the routing options were split and renamed; they do not exist in any affected release. When auditing a v4.4.1-or-earlier configuration, look for CONFIG_NET_ROUTE and CONFIG_NET_ROUTING.
IPv4 is not affected in any release. The IPv4 forwarding path (net_route_ipv4_packet() in route_ipv4.c) was added after v4.4.0 and has never shipped in a release. Its TTL decrement and IPv4 header-checksum recomputation landed on main as part of the same fix, so the evidence notes below discuss it, but no released version is reachable by way of IPv4.
Affected releases are v1.8.0 through v4.4.1: v1.8.0 introduced net_route_packet() and v2.2.0 added net_route_packet_if(), and neither decremented the hop limit. v4.3.1 carries the explicit-route fix but not the on-link one, so it is affected as well. Fixed on main by 7d8f1afa7345 (explicit-route path) and 589eadc74efa (on-link path).
Severity
5.8 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-31 17:24 UTC
CWE
- CWE-835 - dos
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| zephyrproject | zephyr |
Affected:
1.8.0 , < 4.5.0
(semver)
|
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CVE-2026-10683 (GCVE-0-2026-10683)
Vulnerability from cvelistv5 – Published: 2026-07-27 18:30 – Updated: 2026-08-31 23:13
VLAI
EPSS
VEX
Title
DesignWare I2C target driver can be wedged into a permanent stuck state by an on-bus master (DoS)
Summary
In the Synopsys DesignWare I2C driver (drivers/i2c/i2c_dw.c) operating in target/slave mode, the rx_full interrupt handler gates the write_requested() callback on dw->state != CMD_SEND, and dw->state is only reset to READY on a STOP interrupt. The START_DET interrupt, whose handler in i2c_dw_slave_read_clear_intr_bits() would reset the state on every (re)START, was never added to the enabled interrupt mask in i2c_dw_slave_register(), so that recovery path was dead code.
As a result, if the STOP interrupt is lost (bus glitch/reset, or a concurrent master driving STOP) or the bus master issues a legal WRITE-repeated-START-WRITE sequence with the same direction, the driver remains in CMD_SEND permanently and never invokes write_requested() again for the life of the target.
An I2C master on the same physical bus can deliberately trigger this, causing the I2C target function to malfunction for all subsequent write transactions and desynchronizing consumer framing state (e.g. MCTP-over-I2C), a recoverable-by-reset denial of service of the target peripheral.
The fix unmasks START_DET so the state is reset at every bus (re)START. Impact is availability-only over a local board-level bus; no memory corruption results in the in-tree consumer, whose per-byte buffer write is independently bounds-checked.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-27 19:00 UTC
CWE
- CWE-835 - dos
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| zephyrproject | zephyr |
Affected:
4.0.0 , < 4.4.2
(semver)
|
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CVE-2026-10642 (GCVE-0-2026-10642)
Vulnerability from cvelistv5 – Published: 2026-06-24 21:32 – Updated: 2026-07-14 18:38
VLAI
EPSS
VEX
Title
Unbounded TX busy-loop DoS in Zephyr PL011 UART driver under CTS hardware flow control
Summary
The Zephyr PL011 UART driver (drivers/serial/uart_pl011.c) contains an unbounded software loop in pl011_irq_tx_enable() that repeatedly invokes the interrupt-driven application callback while the TX interrupt mask bit (PL011_IMSC_TXIM) is set, to work around the controller's level-transition TX-interrupt behavior.
When CTS hardware flow control is enabled (devicetree hw-flow-control or runtime UART_CFG_FLOW_CTRL_RTS_CTS) and the wired serial peer de-asserts CTS, the controller stops draining the TX FIFO; pl011_fifo_fill() then returns 0 on every call while the application still has pending data and therefore never disables the TX interrupt. The loop condition never clears, so the thread that called uart_irq_tx_enable() (e.g. h4_send() in the Bluetooth HCI H4 driver) spins indefinitely, hanging the executing context and stalling the transport — a denial of service (CWE-835).
An attacker controlling the device attached to the UART's CTS line can trigger the hang by withholding CTS during transmission. Because that peer is the device wired to the UART — which may be a removable or external module (e.g. an off-board Bluetooth controller on the HCI H4 link) rather than a permanently-bonded on-PCB part — the attack vector is scored Adjacent (AV:A) rather than Physical; the security subcommittee should confirm the vector against the specific deployment. Impact is availability only; there is no memory-safety, confidentiality, or integrity consequence.
The vulnerable loop was introduced in commit b783bc8448ef (Feb 2025) and shipped in releases v4.1.0 through v4.4.0. The fix breaks out of the loop when CTS is blocking and arms the CTS modem-status interrupt to resume transmission when CTS re-asserts.
Severity
4.6 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-25 13:11 UTC
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| zephyrproject | zephyr |
Affected:
4.1.0 , < 4.5.0
(semver)
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CVE-2026-10028 (GCVE-0-2026-10028)
Vulnerability from cvelistv5 – Published: 2026-05-28 22:33 – Updated: 2026-06-26 00:08
VLAI
EPSS
VEX
Title
Glib-networking: infinite loop in glib-networking gnutls backend allows remote denial of service via circular certificate chain
Summary
A flaw was found in glib-networking. A remote attacker can exploit this vulnerability by presenting a specially crafted certificate chain to an application that uses glib-networking with the GnuTLS backend enabled and performs certificate verification. This crafted chain, which contains circular issuer relationships, can cause an infinite loop during certificate verification. The unbounded traversal consumes excessive CPU resources, leading to a denial of service for the affected process or worker.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-29 13:17 UTC
CWE
- CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://access.redhat.com/security/cve/CVE-2026-10028 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2465152 | issue-trackingx_refsource_REDHAT |
| https://gitlab.gnome.org/GNOME/glib-networking/-/… |
Impacted products
5 products
| Vendor | Product | Version | |
|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 10 |
cpe:/o:redhat:enterprise_linux:10
|
|
| Red Hat | Red Hat Enterprise Linux 6 |
cpe:/o:redhat:enterprise_linux:6
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|
| Red Hat | Red Hat Enterprise Linux 7 |
cpe:/o:redhat:enterprise_linux:7
|
|
| Red Hat | Red Hat Enterprise Linux 8 |
cpe:/o:redhat:enterprise_linux:8
|
|
| Red Hat | Red Hat Enterprise Linux 9 |
cpe:/o:redhat:enterprise_linux:9
|
Date Public
2026-05-28 22:27
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CVE-2026-8798 (GCVE-0-2026-8798)
Vulnerability from cvelistv5 – Published: 2026-08-08 00:50 – Updated: 2026-08-10 18:23
VLAI
EPSS
VEX
Title
Native entropy source retries the CPU entropy instructions without limit
Summary
In Bouncy Castle for Java FIPS (BC-FJA) before bc-fips 2.1.3, the native entropy source used on Intel platforms retried the CPU entropy instructions without any bound. RDSEED and RDRAND report failure through their carry flag, and the JNI seeding routine spun re-issuing the instruction for as long as that flag stayed clear, so a persistent failure of the on-chip entropy source - whether from a hardware fault, from the underlying DRBG being exhausted by contention across many cores, or from a hypervisor that does not provide the instruction - left the calling thread looping indefinitely inside the JNI call, where it could be neither interrupted nor timed out. Any operation drawing from the native entropy source could therefore hang, denying service to the application. The retry loops are now bounded (200 attempts for RDSEED and 20 for RDRAND, twice the baselines given in Intel's Digital Random Number Generator software implementation guide), pausing between attempts and, on exhaustion, clearing any partially written buffer and throwing rather than continuing to spin. The clear is performed by an un-elidable memzero, which uses a volatile pointer and an assembly memory barrier so that a compiler cannot optimise the erase away as a dead store. Bouncy Castle for Java (bcprov) is not affected, as it has no native entropy source; the 1.0.X and 2.0.X FIPS series are not affected.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-10 16:25 UTC
CWE
- CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/bcgit/bc-java/wiki/CVE%E2%80%9… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Legion of the Bouncy Castle Inc. | BC-FJA |
Affected:
2.1.0 , < 2.1.3
(maven)
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CVE-2026-8318 (GCVE-0-2026-8318)
Vulnerability from cvelistv5 – Published: 2026-05-11 18:00 – Updated: 2026-05-11 18:45
VLAI
EPSS
VEX
Title
VectifyAI PageIndex PDF Table of Contents page_index.py toc_transformer infinite loop
Summary
A security flaw has been discovered in VectifyAI PageIndex up to f50e52975313c6716c02b20a119577a1929decba. Affected by this vulnerability is the function toc_transformer of the file pageindex/page_index.py of the component PDF Table of Contents Handler. The manipulation results in infinite loop. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks. This product operates on a rolling release basis, ensuring continuous delivery. Consequently, there are no version details for either affected or updated releases.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-11 18:45 UTC
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/362605 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/362605/cti | signaturepermissions-required |
| https://vuldb.com/submit/811273 | third-party-advisory |
| https://github.com/VectifyAI/PageIndex/issues/174 | exploitissue-tracking |
| https://github.com/VectifyAI/PageIndex/ | product |
Impacted products
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CVE-2026-7771 (GCVE-0-2026-7771)
Vulnerability from cvelistv5 – Published: 2026-07-17 19:16 – Updated: 2026-07-21 02:03
VLAI
EPSS
VEX
Title
IBM® Db2® is vulnerable to a trap when compiling specially crafted statements containing subqueries could lead to a denial of service
Summary
IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.4 is vulnerable to a trap when compiling a specially crafted statements containing subqueries could lead to a denial of service.
Severity
5.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-21 02:02 UTC
CWE
- CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.ibm.com/support/pages/node/7279480 | vendor-advisorypatch |
Impacted products
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CVE-2026-7375 (GCVE-0-2026-7375)
Vulnerability from cvelistv5 – Published: 2026-04-30 05:04 – Updated: 2026-04-30 15:21
VLAI
EPSS
VEX
Title
Loop with Unreachable Exit Condition ('Infinite Loop') in Wireshark
Summary
UDS protocol dissector infinite loop in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service
Severity
5.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-30 14:47 UTC
CWE
- CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wireshark Foundation | Wireshark |
Affected:
4.6.0 , < 4.6.5
(semver)
Affected: 4.4.0 , < 4.4.15 (semver) |
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CVE-2026-7263 (GCVE-0-2026-7263)
Vulnerability from cvelistv5 – Published: 2026-05-10 04:43 – Updated: 2026-07-15 00:40
VLAI
EPSS
VEX
Title
DoS attack via DOMNode::C14N()
Summary
In PHP versions 8.4.* before 8.4.21 and 8.5.* before 8.5.6, DOMNode::C14N() method may process the XML data incorrectly, causing a circular linked list in the data structure representing the XML document. This may cause subsequent processing of the XML document to enter infinite loop, causing denial of service in the processing application.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-11 13:04 UTC
CWE
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/php/php-src/security/advisorie… | vendor-advisory |
| https://access.redhat.com/security/cve/CVE-2026-7263 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2468572 | issue-trackingx_refsource_REDHAT |
| https://security.access.redhat.com/data/csaf/v2/v… | x_sadp-csaf-vex |
| https://access.redhat.com/errata/RHSA-2026:22649 | vendor-advisoryx_refsource_REDHAT |
Impacted products
8 products
| Vendor | Product | Version | |
|---|---|---|---|
| PHP Group | PHP |
Affected:
8.4.* , < 8.4.21
(semver)
Affected: 8.5.* , < 8.5.6 (semver) |
|
| Red Hat | Red Hat Enterprise Linux 10 |
Unaffected:
0:8.4.21-1.el10_2 , < *
(rpm)
cpe:/o:redhat:enterprise_linux:10.2 |
|
| Red Hat | Red Hat Enterprise Linux 10 |
cpe:/o:redhat:enterprise_linux:10
|
|
| Red Hat | Red Hat Enterprise Linux 6 |
cpe:/o:redhat:enterprise_linux:6
|
|
| Red Hat | Red Hat Enterprise Linux 7 |
cpe:/o:redhat:enterprise_linux:7
|
|
| Red Hat | Red Hat Enterprise Linux 8 |
cpe:/o:redhat:enterprise_linux:8
|
|
| Red Hat | Red Hat Enterprise Linux 9 |
cpe:/o:redhat:enterprise_linux:9
|
|
| Red Hat | Red Hat Hardened Images |
cpe:/a:redhat:hummingbird:1
|
Date Public
2026-05-07 00:00
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No mitigation information available for this CWE.
No CAPEC attack patterns related to this CWE.