Bug 2254231 (CVE-2023-49991) - CVE-2023-49991 espeak-ng: buffer underflow in CountVowelPosition function at synthdata.c
Summary: CVE-2023-49991 espeak-ng: buffer underflow in CountVowelPosition function at ...
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Status: NEW
Alias: CVE-2023-49991
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security
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Depends On: 2254239
Blocks: 2254226
TreeView+ depends on / blocked
 
Reported: 2023-12-12 19:48 UTC by Robb Gatica
Modified: 2023-12-18 05:10 UTC (History)
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A flaw was found in the espeak-ng package. A local attacker can use a specially crafted payload to trigger a buffer underflow condition, which may lead to an application crash or allow for arbitrary code execution.
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Description Robb Gatica 2023-12-12 19:48:42 UTC 
CVE-2023-49991

Espeak-ng 1.52-dev was discovered to contain a Stack Buffer Underflow via the function CountVowelPosition at synthdata.c.

https://github.com/espeak-ng/espeak-ng/issues/1825
Comment 2 Robb Gatica 2023-12-12 20:14:45 UTC 
Created espeak-ng tracking bugs for this issue:

Affects: fedora-all [bug 2254239]
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